R d pollution controls presents air handling and ventilation systems. These systems are not only provides dust-free pressurised atmosphere to working zone but also controls quality of impure air, temperature and humidity. Hepa or panel air filters are used to reduce particulate matter in inlet air. Series of plenums with hepa filters are best for pharmaceuticals and biotechnology industries. Pressurised ventilation or evaporate cooling systems are used for power plants, process industries, space centres, commercial complex, hotels, auditoriums and cinema theatres.
